Loose-leaf binder



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C. H. FRANZ, JR LoosE LEAF BINDER Filed Feb. 1. 192

Patented Aug. 23, 1927.

UNITED STATES CHARLES H. FRANZ, JR., OF MILWAUKEE, WISCONSIN.

' Loose-LEAF BINDER.

Application led February 1, 1924. Serial No. 689,924.

This invention relates to loose leaf binders.

Objects of this invention are to provide a loose leaf binder which is of very sturdy and substantial construction, which may be most readily produced in a simple and rapid manner, which will securely retain the leaves in assembled position, which may be easily manipulated for the insertion or removal of lf leaves, and in which there are no projecting parts of the lacking means adapted to injure desks or otherwise present objectionable protuberances.

An embodiment of the invention is shown if in the accompanying drawing, in which:

Figure 1 is a view Aof the loose leaf binder showing one of the covers of the book raised, and showing the leaves in section.

Figure 2 is a sectional view on the line 2--2 of Figure 1, showing the covers in closed position.

A pair of covers 1 and 2 are provided with a connecting back 3 of any suitable type. These covers each carry a metal plate 4 whichis secured to the covers and is hid- -den by the inner sheet or face 5 of such covers. This metal member is preferably composed of a right and left hand section,

as shown in Figure 1, and is provided with 3" a housing 6 at its outer .edge formed by rolling over a portion of the metal. This housing, it will be noted from Figure 1, is cutout part way through at its inner end to provide terminal shoulders 7 and toprovide channel-like guiding portions 8, which, asv shown, are arranged in abutting relation. The housings 6 are provided with cut-outs -9 intermediate their ends, such cut-outs extending also into the body portion of the metal plate 4. A pair of posts 10 are provided with apertures 11 transversely thereof adjacent their ends.

The post retaining means may comprise rods 12 slidably carried within the hous ing 6 and provided with laterally projecting arms 13 forming finger grips. These members 12 are adapted to be slid along the housing 6 and to project through the apertures 11 in the posts, thus lockingV the posts in position. It is to be noted that the projecting finger grips have their bases guided within the channel like portions 8 of t-he housing. and thus such finger grips are prevented from turning out of their correct position closely adjacent their respective covers.

The operation of the device is as follows:

v The loose leaves 14 are provided with apertures for the reception of the posts 1() and such leaves are threaded upon the posts in the usual manner. Thereafter the detached cover may be most readily attached to the post, by sliding the rods 12 outwardly, such sliding action being accomplished by grasping the projections or linger grips 13.

It is to be noted in this connection that the rods 12, or post locking elements, cannot be removed from the assembled apparatus as their length is greater than the cut-out central portion formed between opposite housings, as shown in Figure 1. Thus after the device is assembled all of the parts are securely retained in position although detachably associated with the post 10. It is to be noted that either or both of the covers may be. detachably associated with the posts so that the book may be lled from either side.

It will be seen that an extremely simple type of loose leaf binder has been provided, which may be manufactured at a minimum of expense, which is sturdy in construction and easy of manipulation.

Although the invention has been described in considerable detail it is to be understood that it may be variously embodied and is therefore to be limited only as claimed.

I claim A loose leaf binder comprising a pair of covers, posts carried by one of said covers and each having a transverse aperture adjacent its free end, the other of said covers having a pair of abutting plates, each plate having a tubular portion in its marginal edge, the tubular portions of the plates being in alignment, said tubular portions being cut away approximately along a diameter thereof to form channels in their adjacent ends, rods fitting said tubular por- .tions and having laterally bend ends projecting laterally from said channels and held closely adjacent the corresponding cover by the channels of the tubular portions, said tubular portions being cut away intermediate their ends for the reception of said posts, and said rods being adapted to enter the apertures through said posts.

In testimony that I claim the foregoing I have hereunto set my hand at Milwaukee, in the county of Milwaukee and Stat-e of Wisconsin.

CHARLES H. FRANZ, Jn. 

